Manufacturing technology focused on the plastic processing of special alloys!
Ingot is brittle and unstable internally due to its cast structure. Therefore, the ingot is heated to over 1000°C and the internal structure is improved through hot forging. After that, by performing hot rolling at high temperatures, the microstructure is further refined through dynamic recrystallization. This refinement leads to improvements in material properties (strength, elongation, and drawability) and corrosion resistance, resulting in significant added value for metallic materials. Eiwa owns a 600t press, electric heating furnace, and hot rolling mill. We also accept contract processing for hot forging and hot rolling using this equipment. Please feel free to make inquiries even for small lots and a variety of products. *For more details, please contact us or download the catalog.
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■Forging Work Sizes Round Bar: 100×100×1000L approximately 80kg steel block → 50×50×1000L billet Plate: t80×w120×500L approximately 40kg billet → t40×w120×L plate ■Rolling Work Sizes Round Bar: 50×50×1000L → Octagonal 27×L Plate: t40×w120×300L → t4.5×w120×L The above are examples. Work sizes will be discussed and confirmed as needed.
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Aiwa Co., Ltd. Metal Division was established through a collaboration project between the Iwate Prefecture and the Tohoku University Institute of Metal Materials. It serves as the manufacturing base for the cobalt alloy "COBARION," originating from the "Iron Town" of Kamaishi. Utilizing the technical know-how gained from the development and practical application of "COBARION," we engage in the development and manufacturing of various special alloys. From material selection to melting, forging, rolling, and machining, you can rely on Aiwa Metal Division as your one-stop shop for alloy materials. We handle everything from the production of ingots using 30kg and 100kg vacuum melting furnaces to hot plastic processing with a 600-ton hydraulic press and rolling mill, accommodating small-scale prototypes and development that are difficult for major special alloy manufacturers to manage. We also have a track record of joint development of functional metal materials such as special steels, magnetic materials, resistive materials, and spring materials that are hard to obtain in the market, as well as original alloys customized for our customers. We are confident that we can be of assistance as a material developer and supplier.